drm/radeon: handle NULL bo->resource in move callback
The ttm bo now initially has NULL bo->resource, and leaves the driver the handle that. However it looks like we forgot to handle that for radeon. It looks like this will just null-ptr-deref in radeon_bo_move(), if bo->resource is NULL. Fix this by calling move_null(). Fixes: 18025378 ("drm/ttm: stop allocating dummy resources during BO creation") Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230208145319.397235-4-matthew.auld@intel.comReviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com>
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